<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="../vue.js"></script>
</head>

<body>
  <div id="app">
    <!-- 3.使用组件 -->
    <Count />
  </div>
  <script>
    Vue.config.productionTip = false;

    // 1.创建组件
    const Count = Vue.extend({
      name: "Count",
      data() {
        return {
          count: 1
        }
      },
      template: `
      <div>
        <h1>{{count}}</h1>
        <button @click="count++">累加</button>
      </div>
      `
    })

    const vm = new Vue({
      el: "#app",
      data() {
        return {

        }
      },
      // 2.注册组件
      components: {
        Count
      }
    })
  </script>
</body>

</html>